Entering an invalid number
Figure 2 shows the result of entering a value that is outside of the requested range.
The image shown in Figure 2 remains on the screen for a short period.
Then the input dialog shown in Figure 1 returns to the screen.
This cycle continues for as long as the user continues to enter values that are outside the requested range.
Figure 2. Result of entering an invalid number in programs named Alice0170x.